PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/17-00:43:10
G08     281.3          22.8               11.3 +/-    1.00      23.2 +/-    1.00  0.050 / 0.140
G10     27.5           63.0               11.4 +/-    0.68      12.6 +/-    0.68  0.080 / 0.150
G14     241.4          56.7               12.8 +/-    0.63      15.0 +/-    0.63  0.070 / 0.100
G18     75.3           46.0               11.8 +/-    0.70      15.7 +/-    0.70  0.070 / 0.130
G21     150.0          29.1               13.2 +/-    1.83      23.6 +/-    1.83  0.020 / 0.030
G24     49.0           21.7               11.2 +/-    1.15      23.6 +/-    1.15  0.020 / 0.030
G27     242.9          25.6               14.6 +/-    2.28      28.2 +/-    2.28  0.130 / 0.320
G31     182.8          13.6               17.4 +/-    2.33      44.7 +/-    2.33  0.060 / 0.260
G32     267.8          72.0               12.0 +/-    0.51      12.6 +/-    0.51  0.110 / 0.130